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A biphasic extraction procedure for the simultaneous removal of elemental sulphur and sulphate from soils

✍ Scribed by Anthony G O'Donnell; Zhenli He; J Keith Syers

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 453 KB
Volume: 59
Category: Article
ISSN: 0022-5142
DOI: 10.1002/jsfa.2740590317

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✦ Synopsis

Abstract

A biphasic extraction system (CCl~4~/KH~2~ PO~4~) has been developed for the simultaneous removal of elemental sulphur (S°) and sulphate from soil. For five soils the recovery of S° (recovered as both oxidised S and residual S°) ranged from 96 to 100% at zero time of incubation. Due to incorporation into the organic fraction, recoveries decreased to 76‐88 % after 8 week's incubation. The extraction procedure can be used with either fresh or air‐dry soil and is more effective in extracting residual SdE than existing, single solvent procedures.

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